diff options
| author | Eric Dumazet <eric.dumazet@gmail.com> | 2010-05-18 07:36:55 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2010-05-18 07:36:55 +0200 |
| commit | d19d56ddc88e7895429ef118db9c83c7bbe3ce6a (patch) | |
| tree | c0db76f3527c88c95a8793c871f62d628fb3fd1d /include/net/dst.h | |
| parent | tcp: tcp_synack_options() fix (diff) | |
| download | linux-d19d56ddc88e7895429ef118db9c83c7bbe3ce6a.tar.xz linux-d19d56ddc88e7895429ef118db9c83c7bbe3ce6a.zip | |
net: Introduce skb_tunnel_rx() helper
skb rxhash should be cleared when a skb is handled by a tunnel before
being delivered again, so that correct packet steering can take place.
There are other cleanups and accounting that we can factorize in a new
helper, skb_tunnel_rx()
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/net/dst.h')
| -rw-r--r-- | include/net/dst.h | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/include/net/dst.h b/include/net/dst.h index 27207a13f2a6..612069beda73 100644 --- a/include/net/dst.h +++ b/include/net/dst.h @@ -226,6 +226,26 @@ static inline void skb_dst_force(struct sk_buff *skb) } } + +/** + * skb_tunnel_rx - prepare skb for rx reinsert + * @skb: buffer + * @dev: tunnel device + * + * After decapsulation, packet is going to re-enter (netif_rx()) our stack, + * so make some cleanups, and perform accounting. + */ +static inline void skb_tunnel_rx(struct sk_buff *skb, struct net_device *dev) +{ + skb->dev = dev; + /* TODO : stats should be SMP safe */ + dev->stats.rx_packets++; + dev->stats.rx_bytes += skb->len; + skb->rxhash = 0; + skb_dst_drop(skb); + nf_reset(skb); +} + /* Children define the path of the packet through the * Linux networking. Thus, destinations are stackable. */ |